/*
 * Copyright (c) 2008-2018 Haulmont.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.haulmont.bali.util;

import java.util.Optional;
import java.util.function.Supplier;

public final class OptionalUtils {
    private OptionalUtils() {
    }

    public static <T> Optional<T> or(Optional<T> optional, Supplier<Optional<T>> supplier) {
        if (optional.isPresent()) {
            return optional;
        }
        else return supplier.get();
    }
}